RaceGrade
GPS
Page
4
Warm Up Time
When the GPS receiver is first powered, it will start searching for
satellites to lock onto. This process takes time. It will take longer the
first time you power up at a new location from where you had previously
turned it off. Normal “cold” start up times, meaning being in a new area
from the previous location, can be anywhere from 2 to 10 minutes.
Subsequent “warm” start up times at the same location normally takes
30 seconds to 2 minutes. If you are outside of North American, expect
the very first time to take up to 20 minutes.
Internal Battery
There is also now an internal battery to store the recent location during
power off. This will aid in warm starts instead of cold starts, resulting in
dramatically less time to lock onto satellites. The internal battery has a
10 year life and is not user replaceable. After ten years please contact
JGM Automotive Tooling for replacement.
Status LEDs
There are 4 LEDs on the front face of the unit
labeled as follows:
•
POWER (red): Unit has power.
•
GPS (yellow): GPS signals have been
acquired and calculated data is being
sent out.
•
DIFF (yellow): SBAS differential satellite available.
•
DGPS (green): Differential corrections are active, resulting in
improved data. This is the light you really want to see on.
There are only two required lights for operation, one is POWER and the
other GPS. The DIFF and DGPS lights indicate increased accuracy of
the data. With differential correction, you will get the most accurate
data. Therefore best operation is achieved with these lights on.
